Local Calling Guide
Area code/prefix search
Switch: SLSPMDNBDS0
- Switch name: SILVER SPRING NORBECK
- Switch type: 5E
- See all switches at this location
NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
301-438 | A | Washington Zone 12 | MD | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-460 | A | Washington Zone 11 | MD | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-598 | A | Washington Zone 12 | MD | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-603 | A | Washington Zone 11 | MD | 9212 VERIZON MARYLAND, INC. | 236 | |||
301-871 | A | Washington Zone 11 | MD | 9212 VERIZON MARYLAND, INC. | 236 |
Last updated: Fri, 01 Jul 2022 02:53:40 UTC
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